Conductor-releasing clamp



Jan. 20, 1931. N. DEISCH 1,789,671

CONDUCTOR RELEASING CLAMP Filed Nov. 11, 1929 2 shets-sneet 1 1- Hilllllllllli 5 1.

lluh

2 Shootg-Sheet 2 N. DEISCH CONDUCTOR RELEASING CLAIR Filed Ndv. 11. 1929 Ja .'2o, 1931.

' iatent ed :relatesfto i -elainpsf fo the; clampijng ac ti'on possible t6 formingfpart' an "unarrnored portionoi th'eicouduetorfj-in; I

s eases} -Where eirmoi7' is rovided' whe're-.thei

tThe in entioIjr 7 suspension I of; thefrbonductors" of high -tens1ofi1ftra'nsm1ss16 The principa1"ob'ect emsmvnfion',i e

i e erall'ystated,' istoprovideclanip 'adapted? for suspending a "eonduc'for; from the usual towers '01:; other equiva lenti=supportsfand eharaeterized; by Capability pf: releasing its gripping aetion 'juponthe conductori'in the. m event of breaking thereof or excessive strain thereupon at one ,sideof a" tower; the result" being that theconductormayslip with respect ,7 toone or'ino're of the-clampsandthe strain be distributed instead; of itjall coming-upon.- a single tower with possible damage thereto.

J It is well known that und'erjeertain climatic conditions there may be a "thick and 'very I heavyza'c cumulation or. sleet-or ice upon a transmission, line and Where the spans; are very long'it'is may cause breakage of the conductor 01' at least suchtreinendous sagging as tdexertia'n excessivev strain uponthe 'adjacentftower.-

The same condition-may occur as the result of high Wind at one side or the other of ;a" i ridge and, indeed, fro nYothercauses It is with these facts in view'thlat Iihave' "devised the present invention whichf'has fer an iinportant objeetth e provisionof'a suspension clamp whichis adapted andin't'ended to" be hung from'a string ofinsulators,.jas' is cusf toinary, and Which will underofdinary cir-- cumstances grip the Conductorwith absolute: firmness but which WIll under some c1rcu'mthe conductor toslipthro'ugh;

355 stances releaseitsholding action and permit I v j ,preferablylconsists the details ofconstrue- Anotherimportant object" is to provide" a, i clamp of this. character-lwhich may be described asjtrigger operated,"that istojsa'y, one in'which the holding'action Willbe main tained until the clamp and ,the'string of in Sula-tors suspending the same have been pulled f by strain on. the oonductorinto'orbeyonda possible thatthis' greatweighfi certain predetermined -in'clinathbnwhereupon 1 release occurs, not gradually, butjsuddenly thattherewill a quick clam s ar l'ocated, -but ,which W-ill 'rernaiiil] open until manually-reset -a 'properjmann'er 5 i. 'by'fi'repairtool be Another object is ,pro idea el'anip-in which a pertain; freedom '61 imovelnflentfor' swinging or the clamp; itself and supporti g insulators may take plaee, as 'forieXample during ordinary, windy weather e'onditions, i g U or-expansion andcontrantioii oftheconductor in a span'a'fiected by localtemperature-"van tions without: releasing it, it being neeessla r that the inclination'exceed a certain safe 11m before'releaseoccursfl K e.

further object i to, provide a lamp ig I :this type'in 'Wh-ichthe'parts"oannot be ome. disassoc'iated and lost-when releasetakes I, I place, adequate means being 'provided' for' a1: Waysholding theparts togetherunderrevery" conditionl A st'ill"'furtherobjeet is to providea cla p of the character described in which; there is'j Y 1 no 'wear'up'on any of'the operating -faoesunderf- 51 normal-Conditions, there" bei'ngf'Consequently no diminution of the clamping aeti'o'n" result ing fromiprolof ged-user f" 'i 5 "A n fa'dditiona-l objectjis' tolprovide'a clamp o-ftfhjs type which will be simple and inefX- inaction,eifiCient' 'and-durabIein service-,andir 3 a general improvement m the' art;

i To'the attainmenr of thewforegoing and? vother objects "and advantages, the invention 8 1 tion'p and the arrangement and ,oombination of part's' t'o 'beihereinafter' moreffullyfl scribed and claimed, andflillustrated inithe wem y aw n nw h Figure 1 is a side elevation- 0f a clainp con- 'stru'cted 'in 'aocordance with myf'inventionl and showing it inoperative or clamping'pjo Figure :2

partsfinj'released position," 7

' Figure 3' is a top, plan View," "Figure 4 isa'bottomplan View, M V "Figure 5 is a irenld elevation, and

is a similar View showi gmg 9 Figure 6': is a. fragmentary jview pa tly in L pensiveto-nlakeeasy toapply eruse, positive? 100 rig H i- 9,6 1." f

oneclamping member, boltlmeans engaging I the clamping members for'normally holding.

them in clamping relation upon the conducto'rfmeans engaged with said bolt means and I 1? cooperating with said abutment means and 1 I connected by toggle means-for holding the bolt means effective, and means onthe suspension means engage'able with the toggle means," upon relativemovement ofthe sus mipension means beyondja predetermined .ex

the bolt means ineffective.

j tent,rfor breaking the toggle and rendering 6. :A" conductor supportmgclamp ,comp ris v I I ing upper and lower clamping membersdisilstposableagainst a conductor, abutment shoula dersfon the lower clamping member, suspension means for the assembled clamping mem- I bers' swingable with respect thereto, U-bolts engaging the clamping members,'yoke m'ema? bers beneath gthe' lower clamping member carried by said U-bolts and normall engagingsaid abutment shoulders, togge meansr connecting said yoke members for normally holding them in efiective position, and'means meansbeyond a predetermined extent 7 31b '7. A conductor supporting clamp comprisinga pair of clamping members disposable against a conductor, suspension means for the assembled clamping members swingable with respect thereto,means including a tog- Zgle for maintaining said clamping members in clamping relation to the conductor. and means operable upon swinging movementof theisuspensionmeans beyond, a predetermined extent for breaking the toggle.

40'. '8. Alconductor suspension clamp compris inga pair of clamping members disposable.

againsta conductor andequippedwith suspension means, and means including a toggle for maintaining the clamping members in '4 5 :clamping relation to the conductor.

9; A conductor suspension'clamp comprisinga .pair of clamping members disposable against a conductor and equipped with suspension means, and means including atoggle Ifor maintaining-the clamping members in clam-ping relation to the conductor including cam means on the suspension means. a In testimon'ywhereof I aflixmysignatureg v p NOEL DEISCH. 

